CN102822571A - Transmission driving device - Google Patents
Transmission driving device Download PDFInfo
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- CN102822571A CN102822571A CN2011800155948A CN201180015594A CN102822571A CN 102822571 A CN102822571 A CN 102822571A CN 2011800155948 A CN2011800155948 A CN 2011800155948A CN 201180015594 A CN201180015594 A CN 201180015594A CN 102822571 A CN102822571 A CN 102822571A
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- joining portion
- clutch
- electromagnetic coil
- rotor
- input shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H2061/2838—Arrangements with single drive motor for selecting and shifting movements, i.e. one motor used for generating both movements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20012—Multiple controlled elements
- Y10T74/20018—Transmission control
- Y10T74/2003—Electrical actuator
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Structure Of Transmissions (AREA)
Abstract
Provided is a transmission driving device wherein the rotation of a rotating body, which is released from an input shaft, is inhibited, thereby being able to prevent a shift actuation member or a select actuation member from being displaced when one of said actuation members is inputted with a reverse input. When an input shaft (30) and a first rotor (31) are connected, a first electromagnetic coil (36) is in an excitation state and a second electromagnetic coil (37) is in a non-excitation state. In said state, a second magnetic ring (70) does not get absorbed towards the second electromagnetic coil (37), a seventh facing (71) and an eighth facing (75), which are secured to the second magnetic ring (70), are engaged, and a second rotor (32) and a casing (5) are connected. When connected to the casing (5), the second rotor (32) cannot rotate. As a consequence, when the second rotor (32) is inputted with a reverse input, it is possible to prevent a shift shaft (8) from rotating.
Description
Technical field
The present invention relates to a kind of speed changer drive unit.
Background technique
Usually, automatically the manual transmission (automated manual transmission) of control, wherein the manual transmission clutch is known by the speed changer drive unit of automation.
For example, in the speed changer drive unit of patent documentation 1, be provided with motor and the motor that is used to select the shelves operation that two motors for example are used for gear-change operation, use these motors to carry out and be similar to manually operated operation.
Reference listing
Patent documentation
[patent documentation 1] JP-A-63-30637
Summary of the invention
In patent documentation 1,, worry and to raise the cost owing to used two electric motors.
Therefore, the inventor has considered to use the single motor motor to realize gear-change operation and has selected shelves to operate both.For example, can adopt clutch mechanism optionally to transfer to the gear-change operation member that is used for gear-change operation or be used to select of choosing shelves control member of shelves operation with rotation torque with electric motor.Clutch mechanism comprises first magnetic clutch and second magnetic clutch; First rotating member that first magnetic clutch will be connected to the gear-change operation member is connected to input shaft; And unclamp first rotating member from input shaft; Second rotating member that second magnetic clutch will be connected to choosing shelves control member is connected to input shaft, and unclamps second rotating member from input shaft.When first magnetic clutch was in excited state, second magnetic clutch was set at and is in non-excited state, and when second magnetic clutch was in excited state, first magnetic clutch was set at and is in non-excited state.
When first magnetic clutch was connected, second rotating member unclamped from input shaft.In the case, if the reverse input of existence in the choosing shelves control member, the rotation of second rotating member worries to select a shelves control member irrespectively to operate (motion) with the control of controller.In addition, similarly,, there is reverse input in the gear-change operation member if under the state that first rotating member unclamps from input shaft, then first rotating member rotation, worry gear-change operation member possibly irrespectively operated (motion) with the control of controller.
Therefore; The purpose of this invention is to provide a kind of speed changer drive unit; It can exist under the situation of reverse input in gear-change operation member or choosing shelves control member, and the rotation through the rotating member that suppresses to unclamp from input shaft prevents the displacement of gear-change operation member or choosing shelves control member.
According to a first aspect of the invention, a kind of speed changer drive unit (1 is provided; 100), comprising: housing (5; 107); Gear-change operation member (8; 101), it is configured to carry out gear-change operation; Choosing shelves control member (12; 101), it is configured to carry out the operation of choosing shelves; Input shaft (30; 110), electric motor (9; 103) this input shaft (30 of rotation torque input; 110); First rotating member (31; 112), it is configured to rotation torque is transferred in gear-change operation member and the choosing shelves control member; Second rotating member (32; 111), it is configured to rotation torque is transferred in gear-change operation member and the choosing shelves control member another; Clutch mechanism (33; 113), it comprises: first clutch (34; 117), it is configured to first rotating member is connected to input shaft and is configured to first rotating member is unclamped from input shaft; And second clutch (35; 116), it is configured to second rotating member is connected to input shaft and is configured to second rotating member is unclamped from input shaft, and clutch mechanism is configured to the rotation torque of input shaft is optionally transferred to first rotating member or second rotating member; Case side joining portion (60,75; 169), it is arranged on the housing or it is arranged on the fixed component (171) of being arranged to be fixed to housing; And first joining portion (56; 170), its integratedly and can be rotatably set in first rotating member, and it can engage with the case side joining portion, wherein, first clutch is constructed by magnetic clutch, magnetic clutch comprises first electromagnetic coil (36; 119); In the non-excited state of first electromagnetic coil in first clutch; First joining portion is attracted to the first electromagnetic coil side; And first joining portion engages with the case side joining portion, in the excited state of first electromagnetic coil, removes engaging between first joining portion and the case side joining portion.
In addition, corresponding parts in the mode of execution described of parenthetic reference character indication hereinafter etc.Yet claim is not limited to said mode of execution.Below, this point is same to be suitable for.
According to this structure, first joining portion that can engage with the case side joining portion is arranged to rotate integratedly with first rotating member.In the non-excited state of first electromagnetic coil, first joining portion engages with the case side joining portion.In addition, in the excited state of first electromagnetic coil, first joining portion is attracted to first electromagnetic coil, removes engaging between first joining portion and the case side joining portion.
When input shaft and first rotating member are connected to each other, because first electromagnetic coil of first clutch is in the excited state, so remove engaging between first joining portion and the case side joining portion.That is, first rotating member unclamps from housing.Thereby if rotation torque transfers to first rotating member from input shaft, first rotating member and input shaft rotate integratedly.
On the other hand, when input shaft and second rotating member were connected to each other, because first electromagnetic coil of first clutch is in non-excited state, first joining portion and case side joining portion were engaged with each other, and first rotating member is connected to housing.In the coupled condition of first rotating member and housing, first rotating member can not rotate.Therefore; Being in first rotating member of first rotating member from the state that input shaft unclamps can not rotate; Thereby, in gear-change operation member or choosing shelves control member, exist under the situation of reverse input, can prevent the displacement (motion or rotation) of control member.
In addition; Because first rotating member is with respect to the connection of housing and first electromagnetic coil execution of unclamping the use first clutch; So there is no need to be provided for to carry out the magnetic loop of first rotating member with respect to the connection of housing and the special use of unclamping; Thereby, can aspect reducing cost, improve to some extent.
Speed changer drive unit according to a second aspect of the invention; The speed changer drive unit may further include magnetic circle (55,70), magnetic circle (55; 70) can rotate integratedly with first rotating member; And magnetic circle (55,70) is arranged to motion in axial direction between first electromagnetic coil and case side joining portion, can be arranged to move integratedly with the magnetic circle in first joining portion.
According to this structure, the magnetic circle is arranged between first electromagnetic coil and the case side joining portion.That is, first electromagnetic coil is arranged in a side opposite with the case side joining portion with respect to the magnetic circle.
In the non-excited state of first electromagnetic coil, the magnetic circle is not attracted to the first electromagnetic coil side, thereby does not move in first joining portion.Therefore, keep jointing state between first joining portion and the case side joining portion.That is, first rotating member is connected to housing.
On the other hand, in the excited state of first electromagnetic coil, the magnetic circle is attracted to the first electromagnetic coil side and moves to the first electromagnetic coil side.Therefore, being arranged to edge, first joining portion of moving integratedly with the magnetic circle and the direction that leave the case side anastomosis part moves.Thereby, remove engaging between first joining portion and the case side joining portion, first rotating member unclamps from housing.Therefore, being connected and unclamping between first rotating member and the housing can switch through simple relatively structure.
Speed changer drive unit according to a third aspect of the invention we, first clutch may further include armature (167), armature (167) be arranged to and first electromagnetic coil and case side joining portion between first rotating member rotate integratedly; In the excited state of first electromagnetic coil, armature is attracted to the first electromagnetic coil side, and armature engages with input shaft; Thereby first rotating member and input shaft can be connected to each other, and; In the non-excited state of first electromagnetic coil, remove engaging between armature and first rotating member, thereby; First rotating member can unclamp from input shaft, can be arranged to move integratedly with armature in first joining portion.
According to this structure, first electromagnetic coil is arranged in a side opposite with the case side joining portion with respect to armature.Can move with armature integratedly in first joining portion.
In the non-excited state of first electromagnetic coil, because armature is not attracted to the first electromagnetic coil side, so armature does not engage with input shaft.In addition, owing to do not produce the attraction force of armature, do not move in first joining portion, keeps the middle jointing state in first joining portion and case side joining portion.Therefore, under this state, first rotating member unclamps and is connected to housing from input shaft.
On the other hand, in the excited state of first electromagnetic coil, armature is attracted to the first electromagnetic coil side, moves to the first electromagnetic coil side, engages with input shaft.In addition, be arranged to edge, first joining portion of moving integratedly and the direction that leave the case side anastomosis part and move with armature, thereby, engaging between first joining portion and the case side joining portion removed.Therefore, in excited state, first rotating member unclamps and is connected to input shaft from housing.Thereby first rotating member is with respect to the connection of housing and unclamp and can switch through simple relatively structure.
In addition, be arranged to move integratedly with armature in first joining portion.Thereby, there is no need to be provided for individually connecting the member of housing, aspect reducing cost, can further improve.
According to a forth aspect of the invention, first joining portion can comprise friction part (56), and friction part (56) frictionally engages with the case side joining portion.In the case, friction part can form annular shape.In this structure, the case side joining portion and first joining portion can be engaged with each other irrelevant with respect to the rotation attitude of input shaft with first rotating member.Thereby the mutual rotation attitude in the coupled condition of the input shaft and first rotating member is unrestricted.
In addition, according to a fifth aspect of the invention, first joining portion can comprise connected member (170) or the coupling recess that is locked and engages with the case side joining portion.In the case, the case side joining portion and first joining portion can be engaged with each other securely.Thereby, can prevent the rotation of first rotating member when first clutch unclamps more reliably.In addition, coupling recess can be by groove or hole structure.
Speed changer drive unit according to a sixth aspect of the invention; The speed changer drive unit may further include second joining portion (71) that can engage with the case side joining portion; Second clutch can be constructed by magnetic clutch, and magnetic clutch comprises second electromagnetic coil (37), in the non-excited state of second electromagnetic coil in second clutch; Second joining portion is attracted to the second electromagnetic coil side; Second joining portion can engage with the case side joining portion, in the excited state of second electromagnetic coil, can remove engaging between second joining portion and the case side joining portion.
According to this structure, second joining portion that can engage with the case side joining portion is arranged to rotate integratedly with second rotating member.In the non-excited state of second electromagnetic coil, second joining portion engages with the case side joining portion.In addition, in the excited state of second electromagnetic coil, second joining portion is attracted to second electromagnetic coil, removes engaging between second joining portion and the case side joining portion.
When input shaft and first rotating member were connected to each other, because second electromagnetic coil of second clutch is in non-excited state, second joining portion and case side joining portion were engaged with each other, and second rotating member is connected to housing.In the coupled condition of second rotating member and housing, second rotating member can not rotate.
In addition, when input shaft and second rotating member are connected to each other, because second electromagnetic coil of second clutch is in the excited state, so remove engaging between second joining portion and the case side joining portion.That is, second rotating member unclamps from housing.Therefore, if rotation torque transfers to second rotating member from input shaft, then second rotating member and input shaft rotate integratedly.
Thereby under the state that unclamps from input shaft, first and second rotating members all can not rotate.Therefore, in gear-change operation member or choosing shelves control member, exist under the situation of reverse input, can prevent the displacement (motion or rotation) of control member.
Description of drawings
Fig. 1 shows the view of schematic configuration of the speed changer of the speed changer drive unit that is combined with according to the embodiment of the present invention (first mode of execution).
Fig. 2 shows the exploded perspective view of the schematic configuration of the speed changer drive unit shown in Fig. 1.
Fig. 3 is the sectional view of the electric actuator when input shaft and the first rotor are connected to each other.
Fig. 4 is the sectional view of the electric actuator when input shaft and second rotor are connected to each other.
Fig. 5 shows the sectional view according to the schematic configuration of the speed changer drive unit of another embodiment of the present invention (second mode of execution).
Fig. 6 is the sectional view of the electric actuator shown in Fig. 5.
Fig. 7 is the sectional view along the section line VII-VII intercepting of Fig. 6.
Fig. 8 shows the amplification sectional view of the structure of first transmission shaft, the first rotor, second rotor and clutch mechanism when first transmission shaft and second rotor are connected to each other.
Fig. 9 shows the amplification sectional view of the structure of first transmission shaft, the first rotor, second rotor and clutch mechanism when first transmission shaft and the first rotor are connected to each other.
Embodiment
Below, will describe mode of execution of the present invention in detail with reference to accompanying drawing.Fig. 1 shows the view of the schematic configuration of speed changer 2, is combined with according to the embodiment of the present invention the speed changer drive unit 1 of (first mode of execution) in the speed changer 2.Fig. 2 shows the exploded perspective view of the schematic configuration of speed changer drive unit 1.
Speed changer 2 is the wheeled speed changer (not shown) of known parallel teeth and is installed in vehicle for example in car or the truck.Speed changer 2 comprises gear chamber 4 and speed changer drive unit 1, is equipped with the wheeled gearshift mechanism (not shown) of parallel teeth in the gear chamber 4, and speed changer drive unit 1 is used to drive gearshift mechanism.Speed changer drive unit 1 comprises shift shaft (gear-change operation member) 8, shift selection shaft (choosing shelves control member) 12 and electric actuator 3; Shift shaft (gear-change operation member) 8 makes gearshift mechanism carry out gear-change operation; Shift selection shaft (choosing shelves control member) 12 makes gearshift mechanism carry out the operation of choosing shelves, and electric actuator 3 usefulness act on the common drive source that drives shift shaft 8 and shift selection shaft 12.
Be equipped with a plurality of shift levels 15,16 and 17 that are parallel to each other in the gear chamber 4.In the shift level 15,16 and 17 each all is fixed with the shift block 18,19 and 20 that engages with the other end 10b of inner operating handle 10.In addition, each shift level place is provided with the range fork 21 (in Fig. 2, only showing the range fork 21 that is arranged on shift level 17 places) that engages with the clutch sleeve (not shown).
It is outer and comprise cylinder shell 5, be contained in first output shaft 6 and second output shaft 7 in the housing 5 that electric actuator 3 is arranged on gear chamber 4.Electric actuator 3 is fixed to the precalculated position of the outer surface or the vehicle of gear chamber 4.Electric actuator 3 comprises electric motor 9, and electric motor 9 is optionally exported the rotation torque with respect to first output shaft 6 or second output shaft 7.First output shaft 6 and second output shaft 7 are arranged coaxially and are arranged to and rotate independently of one another.
In addition, the other end 12a of shift selection shaft 12 is connected to second nut 23 that is installed on second output shaft 7 via linkage mechanism 24.The rotation torque of second output shaft 7 transfers to shift selection shaft 12 via linkage mechanism 24.Linkage mechanism 24 comprises first connecting rod arm 25, second connecting rod arm 26 and third connecting rod arm 27; First connecting rod arm 25 comprises first end 25a and the second end 25b; Second connecting rod arm 26 comprises the 3rd end 26a and the 4th end 26b, and third connecting rod arm 27 comprises 27a of five terminal portion and the 6th end 27b.
If second output shaft, 7 rotations of electric actuator 3, in view of the above, second output shaft 7 and of central axis C 2 swings of choosing shelves fork 13 around shift selection shaft 12.Thereby the fork 14 of the other end of choosing shelves fork 13 makes inner operating handle 10 move along the axial direction Y1 of shift shaft 8.As a result, the other end 10b of interior operating handle 10 engages with required shift block 18,19 and 20, thereby realizes the operation of choosing shelves.
On the other hand, if first output shaft, 6 rotations of electric actuator 3, in view of the above, shift shaft 8 and of central axis C 1 swing of inner operating handle 10 around shift shaft 8.As a result, shift block 18,19 that engages with inner operating handle 10 respectively and the 20 axial direction Z1 along shift level 15,16 and 17 move, thereby realize gear-change operation.
Fig. 3 and Fig. 4 are the sectional views of electric actuator 3.Fig. 3 shows the situation when the first rotor (first rotating member) 31 of the input shaft 30 of hereinafter description and hereinafter description is connected to each other, and Fig. 4 shows the situation that input shaft 30 is connected with second rotor (second rotating member) 32.
As stated, be equipped with input shaft 30 in the housing 5, this input shaft 30 of rotation torque input of electric motor 9 (with reference to Fig. 1).The profile of input shaft 30 has cylindrical shape, and input shaft is arranged to first output shaft 6 and second output shaft 7 concentricity.Input shaft 30 can in axial direction move (to-and-fro motion).The first rotor 31 and second rotor 32 are ccontaining on axial direction, input shaft 30 is put in housing 5.The first rotor 31 is arranged in a side (right side shown in Fig. 3 and Fig. 4) of input shaft 30.Second rotor 32 is arranged in the opposite side (left side shown in Fig. 3 and Fig. 4) of input shaft 30.In addition, the first rotor 31 and second rotor 32 can not in axial direction move.
In addition, be equipped with clutch mechanism 33 in the housing 5, clutch mechanism 33 is used to switch the target (being used for the rotation torque of input shaft 30 is optionally transferred to the first rotor 31 and second rotor 32) of the connection of input shaft 30 between the first rotor 31 and second rotor 32.Clutch mechanism 33 comprises first clutch 34 and second clutch 35; First clutch 34 is connected to the first rotor 31 input shaft 30 and unclamps the first rotor 31 from input shaft 30, and second clutch 35 is connected to second rotor 30 input shaft 30 and unclamps second rotor 32 from input shaft 30.When the serviceability (excited state of first electromagnetic coil 36 that hereinafter is described) of first clutch 34; Second clutch 35 is in non-operating state (the non-excited state of second electromagnetic coil 37 that hereinafter is described); When the serviceability (excited state of second electromagnetic coil 37 that hereinafter is described) of second clutch 35, first clutch 34 is in non-operating state (the non-excited state of first electromagnetic coil 36 that hereinafter is described).
First spring component (with reference to Fig. 4 and not shown in Fig. 3) 38 is arranged to be fixed to the whole basically zone of side surface of a side (right side shown in Fig. 3 and Fig. 4) of input shaft 30.For example, first spring component 38 is by the structures such as leaf spring that become dish type.First magnetic sheet 39 of one-tenth dish type is arranged to be fixed to a side (right side shown in Fig. 3 and Fig. 4) of first spring component 38.In addition, first surface layer 40 of one-tenth dish type is arranged to be fixed to a side (right side shown in Fig. 3 and Fig. 4) of first magnetic sheet 39.First armature 41 that hereinafter is described is by first magnetic sheet 39 and first surface layer, 40 structures.That is, first spring component 38, first magnetic sheet 39 and first surface layer 40 are arranged to stack gradually from input shaft 30 sides.Each all has mutually the same basically outer diameter in the member 38,39 and 40, and said member is arranged such that between interior week of periphery and housing 5 of said member and forms the gap.
Second spring component (with reference to not shown among Fig. 3 and Fig. 4) 42 is arranged to be fixed to the whole basically zone of side surface of the opposite side (left side shown in Fig. 3 and Fig. 4) of input shaft 30.For example, second spring component 42 is configured to by leaf spring of dish type etc.Second magnetic sheet 43 of one-tenth dish type is arranged to be fixed to the opposite side (left side shown in Fig. 3 and Fig. 4) of second spring component 42.In addition, second surface layer 44 of one-tenth dish type is arranged to be fixed to the opposite side (left side shown in Fig. 3 and Fig. 4) of second magnetic sheet 43.Second armature 45 that hereinafter is described is by second magnetic sheet 43 and second surface layer, 44 structures.That is, second spring component 42, second magnetic sheet 43 and second surface layer 44 are arranged to stack gradually from input shaft 30 sides.Each all has mutually the same basically outer diameter in the member 42,43 and 44, and said member is arranged such that between interior week of periphery and housing 5 of said member and forms the gap.
Thereby, in the member 38,39,40,42,43 and 44 each all rotate integratedly with input shaft 30 and in axial direction with input shaft 30 motion.
Next, the first rotor 31 and first clutch 34 will be described.
The first rotor 31 via first rolling bearing 47 and first element 48 of annular (hereinafter description) coaxially and be rotatably supported in input shaft 30.Particularly, first element 48 is equipped with and is fixed in the housing 5, and the outer ring of first rolling bearing 47 is equipped with and is fixed in the interior week of first element 48.The first rotor 31 comprises main main body portion 80, have the large diameter first armature hub 49, have the major diameter first braking hub 50 and first protruding 51; Main main body portion 80 has the profile of approximate circle tubular shape; The first armature hub 49 is radially protruding from the periphery of main main body portion 80; The first braking hub 50 is radially protruding from the periphery of main main body portion 80, the end that first convexity 51 is used to support first output shaft 6.The first armature hub 49 is arranged in the inner end (end of input shaft 30 sides and the left end shown in Fig. 3 and Fig. 4) in axial direction.The first armature hub 49 is arranged to than the bearing position of first rolling bearing 47 (side opposite with the input shaft 30 and right side shown in Fig. 3 and Fig. 4) more laterally in axial direction.The first armature hub 49 and the first braking hub 50 have mutually the same basically diameter.First protruding 51 is formed on the outside in axial direction (side opposite with input shaft 30 sides and the right side shown in Fig. 3 and Fig. 4) of the first braking hub 50.The end of first output shaft 6 (left part shown in Fig. 3 and Fig. 4) is mounted to and is fixed to first protruding 51.
First clutch 34 comprises first element 48 and first armature 41.First electromagnetic coil 36 in first element 48 ccontaining yoke.The 3rd surface layer 53 with pie shape is arranged to be fixed to the whole zone of side surface (left surface shown in Fig. 3 and Fig. 4) of input shaft 30 sides of the first rotor (the first armature hub 49).The 3rd surface layer 53 is the surface layers that frictionally engage with first surface layer 40.The 3rd surface layer 53 is arranged such that between the interior week of the periphery of the 3rd surface layer and housing 5 and forms the gap.
In addition, annular the 3rd spring component 54 (with reference to not shown among Fig. 4 and Fig. 3) is arranged to be fixed to the peripheral portion of the side surface (the right surface shown in Fig. 3 and Fig. 4) of the side opposite with input shaft 30 sides in the first braking hub 50.For example, the 3rd spring component 54 is by structures such as leaf springs.The annular plate-like first magnetic circle 55 is arranged to be fixed to the opposite side (right side shown in Fig. 3 and Fig. 4) of input shaft 30 sides in the 3rd spring component 54.The peripheral portion that the first magnetic circle 55 is arranged in the first armature hub 49 places the position between the first magnetic circle and first element 48.In addition, annular plate-like fourth face layer (first joining portion and friction part) 56 is arranged to be fixed to the opposite side (right side shown in Fig. 3 and Fig. 4) of input shaft 30 sides in the first magnetic circle 55.That is, the 3rd spring component 54, the first magnetic circle 55 and fourth face layer 56 are arranged to stack gradually from input shaft 30 sides.In the member 54,55 and 56 each all has mutually the same basically inner diameter and outer diameter, and said member is arranged such that between the interior week of the periphery of said member and housing 5 and forms the gap.Each all rotates integratedly with the first rotor 31 and in axial direction moves with the first rotor 31 in the member 54,55 and 56.
On the other hand, annular plate-like first attachment ring 58 around first protruding 51 and first output shaft 6 forms inwardly stretching out in interior week from housing 5.First attachment ring 58 is arranged in a side (right side shown in Fig. 3 and Fig. 4) of in axial direction further separating with input shaft 30 sides than the first braking hub 50.The peripheral portion (that is the configuring area of fourth face layer 56) that first attachment ring 58 comprises first apparent surface, 59, the first apparent surfaces 59 and the side surface of input shaft 30 sides in the first braking hub 50 (the right surface shown in Fig. 3 and Fig. 4) dorsad relatively.The 5th surface layer (case side joining portion) 60 that is used for frictionally engaging with fourth face layer 56 is arranged to be fixed to first apparent surface 59.The 5th surface layer 60 is arranged such that between the interior week of the periphery of the 5th surface layer and housing 5 and forms the gap.
In the non-excited state of first electromagnetic coil 36 (with reference to Fig. 4), fourth face layer 56 frictionally engages with the 5th surface layer 60.In addition; In the excited state of first electromagnetic coil 36 (with reference to Fig. 3); The first magnetic circle 55 that is arranged on integratedly in the fourth face layer 56 is attracted to first element that comprises first electromagnetic coil 36 48, and fourth face layer 56 moves towards the direction of separating with the 5th surface layer 60 (left shown in Fig. 3 and Fig. 4 to), thereby; Remove engaging between fourth face layer 56 and the 5th surface layer 60, between fourth face layer 56 and the 5th surface layer 60, form the gap.
Next, second rotor 32 and second clutch 35 will be described.
Second rotor 32 via second rolling bearing 62 and second element 63 of annular (hereinafter description) coaxially and be rotatably supported in input shaft 30.Particularly, second element 63 is equipped with and is fixed in the housing 5, and the outer ring of second rolling bearing 62 is equipped with and is fixed to the interior week of second element 63.Second rotor 32 comprises main main body portion 81, have the large diameter second armature hub 64, have the large diameter second braking hub 65 and second protruding 66; Main main body portion 81 has the profile of approximate circle tubular shape; The second armature hub 64 is radially protruding from the periphery of main main body portion 81; The second braking hub 65 is radially protruding from the periphery of main main body portion 81, the end that second convexity 66 is used to support second output shaft 7.The second armature hub 64 is arranged in the inner end (end of input shaft 30 sides and the right-hand member shown in Fig. 3 and Fig. 4) in axial direction.The second armature hub 64 is set to than the bearing position of second rolling bearing 62 (side opposite with the input shaft 30 and left side shown in Fig. 3 and Fig. 4) more laterally in axial direction.The second armature hub 64 and the second braking hub 65 have mutually the same basically diameter.Second protruding 66 is formed on the outside in axial direction (side that input shaft 30 sides the are opposite and left side shown in Fig. 3 and Fig. 4) of the second braking hub 65.The end of second output shaft 7 (right-hand member shown in Fig. 3 and Fig. 4) is mounted to and is fixed to second protruding 66.
Second clutch 35 comprises second element 63 and second armature 45.Second electromagnetic coil 37 in second element 63 ccontaining yoke.The 6th surface layer 68 with pie shape is arranged to be fixed to the whole zone of the side surface (the right surface shown in Fig. 3 and Fig. 4) of input shaft 30 sides of second rotor 32 (the second armature hub 64).The 6th surface layer 68 is to be used for the surface layer that frictionally engages with second surface layer 44.The 6th surface layer 68 is arranged such that between interior week of periphery and housing 5 of the 6th surface layer and forms the gap.
In addition, annular the 4th spring component 69 (with reference to not shown among Fig. 3 and Fig. 4) is arranged to be fixed to the peripheral portion of the side surface (left surface Fig. 3 and Fig. 4 shown in) opposite with input shaft 30 sides in the second braking hub 65.For example, the 4th spring component 69 is by structures such as leaf springs.The annular plate-like second magnetic circle 70 is arranged to be fixed to the side (left side Fig. 3 and Fig. 4 shown in) opposite with input shaft 30 sides in the 4th spring component 69.The peripheral portion that the second magnetic circle 70 is arranged in the second armature hub 64 places the position between the second magnetic circle and second element 63.In addition, annular plate-like the 7th surface layer 71 is arranged to be fixed to the side (left side Fig. 3 and Fig. 4 shown in) opposite with input shaft 30 sides in the second magnetic circle 70.That is, the 4th spring component 69, the second magnetic circle 70 and the 7th surface layer 71 are arranged to stack gradually from input shaft 30 sides.Each all has mutually the same basically inner diameter and outer diameter in the member 69,70 and 71, and said member is arranged such that between the interior week of the periphery of said member and housing 5 and forms the gap.Each all rotates integratedly with second rotor 32 and in axial direction moves with second rotor 32 in the member 69,70 and 71.
On the other hand, annular plate-like second attachment ring 73 around second protruding 66 and second output shaft 7 forms inwardly stretching out in interior week from housing 5.Second attachment ring 73 is arranged in a side (left side shown in Fig. 3 and Fig. 4) of in axial direction further separating with input shaft 30 sides than the second braking hub 65.The peripheral portion (that is the configuring area of the 7th surface layer 71) that second attachment ring 73 comprises second apparent surface, 74, the second apparent surfaces 74 and the side surface (left surface shown in Fig. 3 and Fig. 4) of input shaft 30 sides in the second braking hub 65 dorsad relatively.The octahedral layer (case side joining portion) 75 that is used for frictionally engaging with the 7th surface layer 71 is arranged to be fixed to second apparent surface 74.Octahedral layer 75 is arranged such that between the interior week of the periphery of octahedral layer and housing 5 and forms the gap.
In the non-excited state of second electromagnetic coil 37 (with reference to Fig. 3), the 7th surface layer 71 frictionally engages with octahedral layer 75.In addition; In the excited state of second electromagnetic coil 37 (with reference to Fig. 4); The second magnetic circle 70 that is arranged on integratedly in the 7th surface layer 71 is attracted to second element that comprises second electromagnetic coil 37 63, and the 7th surface layer 71 moves towards the direction of separating with octahedral layer 75 (shown in Fig. 3 and Fig. 4 right-hand to), thereby; Remove engaging between the 7th surface layer 71 and the octahedral layer 75, and between the 7th surface layer 71 and octahedral layer 75, formed the gap.
In addition, for example, first to octahedral layer 40,44,53,56,60,68,71 and the 75 use for example cold rolling particular band steel of friction material (SK5M etc.) formation.
When input shaft 30 and the first rotor 31 were connected to each other (with reference to Fig. 3), first clutch 34 was in coupled condition, and second clutch 35 is in releasing orientation.At this moment, first electromagnetic coil 36 is in excited state, and second electromagnetic coil 37 is in non-excited state.
Under this state, second armature 45 is not attracted to second element 63, and first armature 41 is attracted to first element 48 simultaneously.Therefore, first armature 41 and input shaft 30 move towards the first rotor 31 sides (shown in Fig. 3 and Fig. 4 right-hand to).The 3rd surface layer 53 of in addition, constructing the part of first armature 41 frictionally engages with first surface layer 40 that is fixed to the first rotor 31.Thereby, realize engaging between first armature 41 and the input shaft 30, first output shaft 6 is connected to input shaft 30.
In addition, in the excited state of first electromagnetic coil 36, the first magnetic circle 55 is drawn to first electromagnetic coil, 36 side draughts and is in axial direction moved towards first electromagnetic coil, 36 sides (left side shown in Fig. 3 and Fig. 4).Therefore, the fourth face layer 56 that is fixed to the first magnetic circle 55 moves towards the direction of separating with the 5th surface layer 60 (first attachment ring 58), thereby, remove the joint between fourth face layer 56 the 5th surface layer 60.Therefore, the rotation torque with input shaft 30 transfers to the first rotor 31.In addition, the rotation torque with the first rotor 31 transfers to first output shaft 6 that is fixed to the first rotor 31.According to the rotation of first output shaft 6, first nut 22 in axial direction moves, thereby, make shift selection shaft 12 rotations.
In addition; In the coupled condition of the input shaft 30 and first output shaft 6; First spring component 38 places between first magnetic sheet 39 and the input shaft 30 and in axial direction shrinks, and the 3rd spring component 54 places between the first magnetic circle 55 and the first braking hub 50 and in axial direction shrinks.Thereby first spring component 38 and the 3rd spring component 54 are not shown in Fig. 3.
In addition, in the non-excited state of second electromagnetic coil 37, the second magnetic circle 70 is not attracted to second electromagnetic coil, 37 sides, and the second magnetic circle 70 is motion in axial direction not.Thereby the 7th surface layer 71 and the octahedral layer 75 (second attachment ring 73) that is fixed to the second magnetic circle 70 is in the state that the 7th surface layer 71 and octahedral layer 75 are engaged with each other.That is, when input shaft 30 and the first rotor 31 were connected to each other, second rotor 32 was connected to housing 5.In the coupled condition of second rotor 32 and housing 5, second rotor 32 is kept by housing 5 and can not rotate.
On the other hand, shown in Fig. 4, when input shaft 30 and second rotor 32 are connected to each other (with reference to Fig. 4), second clutch 35 is in coupled condition, and first clutch 34 is in releasing orientation.At this moment, second electromagnetic coil 37 is in excited state, and first electromagnetic coil 36 is in non-excited state.
Under this state, first armature 41 is not attracted to first element 48, and second armature 45 is attracted to second element 63 simultaneously.Therefore, second armature 45 and input shaft 30 are towards second element 63 lateral movement.The 6th surface layer 68 of in addition, constructing the part of second armature 45 frictionally engages with second surface layer 44 that is fixed to input shaft 30.Thereby, realize engaging between second armature 45 and the input shaft 30, second output shaft 7 is connected to input shaft 30.
In addition, in the excited state of second electromagnetic coil 37, the second magnetic circle 70 is attracted to second electromagnetic coil, 37 sides and in axial direction moves towards second electromagnetic coil, 37 sides.Therefore, the 7th surface layer 71 that is fixed to the second magnetic circle 70 is towards the direction motion that separates with octahedral layer 75 (second attachment ring 73), thereby, remove engaging between the 7th surface layer 71 and the octahedral layer 75.Therefore, the rotation torque with input shaft 30 transfers to second rotor 32.In addition, the rotation torque with second rotor 32 transfers to second output shaft 7 that is fixed to second rotor 32.According to the rotation of second output shaft 7, second nut 23 in axial direction moves, thereby, make shift selection shaft 12 rotations.
In addition, because input shaft 30 moves to second element 63 side, first armature 41 does not engage with the 3rd surface layer 53 that is fixed to the first rotor 31 each other.In addition, in the non-excited state of first electromagnetic coil 36, the first magnetic circle 55 is not attracted to first electromagnetic coil, 36 sides, and the first magnetic circle 55 is motion in axial direction not.Thereby fourth face layer 56 and the 5th surface layer 60 (first attachment ring 58) that is fixed to the first magnetic circle 55 is in the state that fourth face layer 56 and the 5th surface layer 60 are engaged with each other.That is, when input shaft 30 and second rotor 32 were connected to each other, the first rotor 31 was connected to housing 5.In the coupled condition of the first rotor 31 and housing 5, the first rotor 31 is kept by housing 5 and can not rotate.
In addition; In the coupled condition of the input shaft 30 and second output shaft 7; Second spring component 42 places between second magnetic sheet 43 and the input shaft 30 and in axial direction shrinks, and the 4th spring component 69 places between the second magnetic circle 70 and the second braking hub 65 and in axial direction shrinks.Thereby second spring component 42 and the 4th spring component 69 are not shown in Fig. 4.
As stated, according to this mode of execution, in the coupled condition of the first rotor 31 and input shaft 30, second rotor 32 is connected to housing 5.In the coupled condition of second rotor 32 and housing 5, second rotor 32 can not rotate.Therefore, when having reverse input in second rotor 32, can prevent the rotation of shift shaft 8.
In addition, in the coupled condition of second rotor 32 and input shaft 30, the first rotor 31 is connected to housing 5.In the coupled condition of the first rotor 31 and housing 5, the first rotor 31 can not rotate.Therefore, when having reverse input in the first rotor 31, can prevent the rotation of shift selection shaft 12.
In addition, rotor 31 and 32 the electromagnetic coil 36 and 37 execution that are connected and unclamp use clutch 34 and 35 with respect to housing 5.Therefore, there is no need to be provided for carrying out rotor 31 and 32 the dedicated magnetic loops that are connected and unclamp with respect to housing 5, thereby, can aspect reducing cost, improve to some extent.
In addition, because the 7th surface layer 71 and octahedral layer 75 form annular shape respectively, irrelevant with the first rotor 31 with respect to the rotation attitude of input shaft 30 so the 7th surface layer 71 and octahedral layer 75 are engaged with each other.In addition, because the 7th surface layer 71 and octahedral layer 75 form annular shape respectively, the 7th surface layer 71 and octahedral layer 75 can be engaged with each other, and be irrelevant with respect to the rotation attitude of input shaft 30 with second rotor 32.Thereby the mutual rotation attitude in the coupled condition of input shaft 30 and rotor 31 and 32 is unrestricted.
Fig. 5 shows according to the present invention the sectional view of schematic configuration of the speed changer drive unit 100 of another mode of execution (second mode of execution).In second mode of execution, the reference character identical with first mode of execution refers to the part corresponding to each part of the mode of execution shown in Fig. 1 to Fig. 4 (first mode of execution), and the descriptions thereof are omitted.Difference between the speed changer drive unit 1 shown in speed changer drive unit 100 shown in Fig. 5 and Fig. 1 is; Replace shift shaft 8 and shift selection shaft 12, be provided for carrying out the gear shift shift selection shaft (gear-change operation member and choosing shelves control member) 101 of gear-change operation and the operation of choosing shelves in the gearshift mechanism.Speed changer drive unit 100 comprises electric actuator 102 (with reference to Fig. 6), and electric actuator 102 usefulness act on the gear-change operation and the choosing grade common drive source of operating of carrying out gear shift shift selection shaft 101.
Inner operating handle 10 be contained in the intermediate portion that an end 10a in the gear chamber 4 is fixed to gear shift shift selection shaft 101.An end 10a of gear shift shift selection shaft 101 stretches out outside the gear chamber 4 and penetrates in the electric actuator 102 that is arranged on outside the gear chamber 4 (with reference to Fig. 6).Gear shift shift selection shaft 101 rotates through electric actuator 102 Y2 motion in axial direction and around the central axis C 3 of gear shift shift selection shaft 101.Electric actuator 102 is fixed to the precalculated position of the outer surface or the vehicle of gear chamber 4.
If gear shift shift selection shaft 101 is through electric actuator 102 Y2 motion in axial direction, then the other end 10b of middle operating handle 10 engages with required shift block 18,19 and 20, thereby realizes gear-change operation.In addition,, the shift block 18,19 and the 20 axial direction Z1 along shift level 15,16 and 17 that engage with inner operating handle 10 are respectively moved, thereby realize gear-change operation if gear shift shift selection shaft 101 rotates around central axis C 3 through electric actuator 102.
Fig. 6 is the sectional view of the electric actuator shown in Fig. 5.Fig. 7 is the sectional view along the VII-VII line intercepting among Fig. 6.
For example, adopt brushless motor as electric motor 103.Electric motor 103 is arranged in outside the housing 107.The output shaft 109 of electric motor 103 extends along the predetermined direction (the left and right direction shown in Fig. 6) perpendicular to gear shift shift selection shaft 101.
Has the periphery that externally is equipped with and is fixed to the first rotor 112 relatively than annular first gear 120 of minor diameter.First gear 120 is arranged on the first rotor 112 coaxially.First gear 120 is through rolling bearing 121 and 122 supportings.Rolling bearing 121 and 122 outer ring are equipped and be fixed in first gear 120.Rolling bearing 121 and 122 inner ring are externally equipped and be fixed to the periphery of the main shaft part 114 of first transmission shaft 110.
Gear shift switching mechanism 104 comprises ball screw framework 122 and connecting rod 124, and connecting rod 124 is connected the nut 123 of ball screw framework 122 with gear shift shift selection shaft 101.Ball screw framework 122 comprises screw axis 125 and is installed in the nut 123 on the screw axis 125 that screw axis 125 is connected to second rotor 111 and extends coaxially with second rotor 111.A plurality of ball (not shown) are placed between the female thread of the external screw thread of screw axis 125 and nut 123 and roll, and ball screw framework 122 converts rotatablely moving of second rotor 111 into the axial linear motion of nut 123.
An end (left end shown in Fig. 6) of screw axis 125 is through rolling bearing 126 supportings.The inner ring of rolling bearing 126 externally is equipped with and is fixed to an end of screw axis 125.In addition, the outer ring of rolling bearing 126 is equipped with and is fixed to the internal surface of the diapire 127 that penetrates the unit housings that is fixed to housing and the through hole of outer surface.In addition, locking nut is engaged to the outer ring of rolling bearing 126, and the motion towards in axial direction opposite side (right side shown in Fig. 6) of rolling bearing is able to regulate.Be positioned to than rolling bearing 126 more towards the interior week that is partially submerged into second rotor 111 of electric motor 103 sides (left side shown in Fig. 6) and integratedly and be rotationally attached to second rotor 111 in the end of screw axis 125.
The other end of screw axis 125 (right-hand member shown in Fig. 6) is through rolling bearing 128 supportings.The outer ring of rolling bearing 128 is fixed to housing 107.In two side surfaces of nut 123; Stretch out and be formed with pair of columnar engages axle 129 (only illustrating among Fig. 6); This pair of columnar engages axle 129 is extended along the direction (perpendicular to the direction of the paper among Fig. 6, the left and right directions shown in Fig. 7) that is parallel to gear shift shift selection shaft 101.
Gear shift shift selection shaft 101 is supported in axial direction, and Y2 carries out linear reciprocating motion and rotates (with reference to Fig. 7) through a pair of sliding bearing 130 and 131 equipped and that be fixed in the housing 107.On the periphery of gear shift shift selection shaft 101 in axial direction Y2 be formed with a plurality of rack tooths 132 (with reference to Fig. 7) at certain intervals.Spline part 133 be formed in the periphery of gear shift shift selection shaft 101 from the precalculated position of rack tooth 132 near gearbox 2.
Connecting rod 124 comprises that first one 134, second ones 135 (with reference to Fig. 7) and 136, the first ones 134 of joints are connected to 123, the second ones 135 on nut and are connected to gear shift shift selection shaft 101, and joint 136 connects first one 134 and second ones 135.Comprise a pair of supporting board 138 for first one 134, a pair of supporting board 138 has into the engagement groove 137 of U-shaped shape, and engagement groove 137 all engages with each engages axle 129.Have cylindrical shape for second one 135 and externally be fitted to gear shift shift selection shaft 101.Be formed with spline groove 139 (with reference to Fig. 7) on second one 135 interior week, spline groove 139 splines are fitted to the spline part 133 on the periphery that is formed on gear shift shift selection shaft 101.Thereby second one 135 can not be with respect to gear shift shift selection shaft 101 rotation and can be in axial direction be connected to gear shift shift selection shaft 101 with respect to the state of gear shift shift selection shaft 101 relative movement relatively with second one.Therefore, according to the rotation of screw axis 125, if nut 123 along the axial direction of screw axis (left and right directions shown in Fig. 6 and perpendicular to the direction of the paper among Fig. 7) motion, connecting rod 124 is around central axis C 3 swings of gear shift shift selection shaft 101.
The switching mechanism 105 of choosing shelves comprises first gear 120, second transmission shaft 141, second gear 142 and has the small gear 143 of minor diameter; Second transmission shaft 141 extends into and is parallel to first transmission shaft 110 and rotatably setting; Second gear 142 is fixed on the precalculated position near the end (left end shown in Fig. 6) in second transmission shaft 141 coaxially, and small gear 143 is fixed on the precalculated position near the other end of second transmission shaft 141 (right-hand member shown in Fig. 3) coaxially.In addition, second gear 142 forms the big diameter of diameter that has than first gear 120 and small gear 143.
An end (left end shown in Fig. 6) of second transmission shaft 141 is through rolling bearing 144 supportings.The inner ring of rolling bearing 144 externally is equipped with and is fixed to an end (left end shown in Fig. 6) of second transmission shaft 141.In addition, the outer ring of rolling bearing 144 is fixed to cylindric recess, and this cylindric recess forms on the internal surface of the covering of the opening of covering shell 107.In addition, the other end of second transmission shaft 141 (right-hand member shown in Fig. 6) is through rolling bearing 145 supportings.
Fig. 8 and Fig. 9 are the expansion sectional views that the structure of first transmission shaft 110, the first rotor 112 and second rotor 111 and clutch mechanism 113 is shown.Situation when Fig. 8 shows first transmission shaft 110 and second rotor 111 and is connected to each other, the situation when Fig. 9 shows first transmission shaft 110 and is connected to each other with the first rotor 112.
Large-diameter portion 115 comprises main body 152, the first armature hub 153 and the armature supporting hub 154 of large-diameter portion; The first armature hub 153 radially stretches out from the periphery of the main body 152 of large-diameter portion, and armature supporting hub 154 radially stretches out from the periphery of the main body 152 of large-diameter portion.The first armature hub 153 is arranged in the end of electric motor 103 sides (left side shown in Fig. 8 and Fig. 9) of large-diameter portion 115.Armature supporting hub 154 is arranged in the end of second rotor, 111 sides (right side shown in Fig. 8 and Fig. 9) of large-diameter portion 115.
Between the first armature hub 153 and armature supporting hub 154, be formed with the containing groove 155 of ccontaining rolling bearing 150 in the periphery of the main body 152 of large-diameter portion.In addition, externally equipped and first element 151 that be fixed to rolling bearing 150 is arranged to adjacent with a side in axial direction (right side shown in Fig. 8 and Fig. 9) of the first armature hub 153.
In addition, for example, armature supporting hub 154 is formed by annular leaf spring.Armature supporting hub 154 comprises that first apparent surface, 157, the first apparent surfaces 157 are relative with the second armature hub 156.Second armature 158 that is used for engaging with the second armature hub 156 is arranged to be fixed to first apparent surface 157.
As stated, the main shaft part 114 of the first rotor 112 through first transmission shaft 110 via rolling bearing 121 and 122 coaxially and the output shaft 109 that is rotatably supported in electric motor 103.The first rotor 112 comprises the cylindric main main body portion 164 and plate spring part 165 of the first rotor, and plate spring part 165 is arranged on the end (right-hand member shown in Fig. 8 and Fig. 9) of large-diameter portion 115 sides in the first rotor 112.Plate spring part 165 comprises second apparent surface 166; Second apparent surface 166 and the first armature hub 153 relatively and have an annular slab shape, interior all ends of plate spring part are connected to the end (right-hand member shown in Fig. 8 and Fig. 9) of large-diameter portion 115 sides of the main main body portion 164 of the first rotor.First armature 167 that is used for engaging with the first armature hub 153 is arranged to be fixed to second apparent surface 166.That is, first armature 167 and first element 151 are arranged in the position that the first armature hub 153 is inserted into.First electromagnetic coil 119 in first element 151 ccontaining yoke.First clutch 117 is through first armature 167, the first armature hub 153 and first element 151 structure.In addition, plate spring part 165 can be integrally formed in the main main body portion 164 of the first rotor, perhaps can be fixed to the main main body portion 164 of the first rotor of setting individually.
The engagement groove (case side joining portion) 169 that hereinafter is described be locked and be arranged to be fixed to the precalculated position of the intermediate portion radially on the opposite side surface 168 (left surfaces Fig. 8 and Fig. 9 shown in) opposite with second apparent surface 166 of plate spring part 165 with the connected member 170 of said engage grooves.
In addition; Be provided with annular plate-like joint plate (fixed component) 171 with respect to annular plate-like plate spring part 165 and second rotor, 111 opposite sides (left side shown in Fig. 8 and Fig. 9), annular plate-like joint plate (fixed component) 171 is around the main shaft part 114 of first transmission shaft 110 and the main main body portion 164 of the first rotor.Joint plate 171 is externally attached and be fixed to housing 107.For example, prevent to be used as joint plate 171 from the plate that the housing 107 of switching unit 106 comes off.Joint plate 171 comprises apparent surface 172, and apparent surface 172 is relative with the opposite side surface 168 of plate spring part 165.Be formed with the engagement groove 169 that is locked and engages on the apparent surface 172 with connected member 170.Engagement groove 169 is formed on a plurality of positions (for example, three positions) along the circumferencial direction of joint plate 171.As stated, because gear shift shift selection shaft 101 is according to the rotation of the first rotor 112 and to-and-fro motion in axial direction, the rotation attitude of the first rotor 112 is associated with the position in axial direction of gear shift shift selection shaft 101.The position that engagement groove engaged with the connected member 170 of the first rotor 112 when the formation set positions of engagement groove 169 was scheduled to select gear to put (three positions) for being in when gear shift shift selection shaft 101.Thereby any in the engagement groove 169 is locked and engages with connected member 170.Therefore, the first rotor 112 is connected to housing 107.In the coupled condition of the first rotor 112 and housing 107, the first rotor 112 keeps through housing 107 and can not rotate.
In the non-excited state of first electromagnetic coil 119 (with reference to Fig. 8), connected member 170 gets into engagement groove 169, and connected member 170 is locked with engagement groove 169 and is engaged with each other.
On the other hand; In the excited state of first electromagnetic coil 119 (with reference to Fig. 9); First armature 167 is attracted to first element that comprises first electromagnetic coil 119 151; First armature 167 is towards second rotor, 111 sides (right side shown in Fig. 8 and Fig. 9) motion, and first armature 167 frictionally engages with the first armature hub 153.At this moment, the peripheral portion of plate spring part 165 flexibly is deformed near first element 151 side.According to the resiliently deformable of plate spring part 165, connected member 170 moves towards the direction of separating with engagement groove 169 (right side shown in Fig. 8 and Fig. 9), thereby, remove the engagement between connected member 170 and the engagement groove 169.
Second electromagnetic coil 118 in second element 159 ccontaining yoke.Second clutch 116 is by second armature 158, the second armature hub 156 and second element 159 structure.
When first transmission shaft 110 and second rotor 111 are connected to each other (with reference to Fig. 8), second clutch 116 is in coupled condition, and first clutch 117 is in releasing orientation.At this moment, second electromagnetic coil 118 is in excited state, and first electromagnetic coil 119 is in non-excited state.Under this state, second armature 158 is attracted to second element 159, and second armature 158 frictionally engages with the second armature hub 156.Thereby, realize engaging between second armature 158 and first transmission shaft 110, second rotor 111 is connected to first transmission shaft 110.In addition, because first electromagnetic coil 119 is in non-excited state, connected member 170 is locked with engagement groove 169 and is engaged with each other, and the first rotor 112 is connected to housing 107, and the first rotor can not rotate.
In addition, first transmission shaft 110 and second rotor 111 rotate integratedly, and the rotation torque of first transmission shaft 110 is transferred to second rotor 111.Put on second rotor 111 if come from electric motor 103 rotation torques, then screw axis 125 rotates according to the rotation of second rotor 111, and the nut 123 that is installed on the screw axis 125 is in axial direction moved.In addition, according to along the moving of the axial direction of nut 123, connecting rod 124 is around central axis C 3 swings of gear shift shift selection shaft 101.Owing to be arranged to not with respect to 101 rotations of gear shift shift selection shaft for second one 135 of connecting rod 124, so gear shift shift selection shaft 101 rotates around central axis C 3 according to the swing of connecting rod 124.
When first transmission shaft 110 is connected to each other with the first rotor 112 (with reference to Fig. 9), first clutch 117 is in coupled condition, and first magnetic clutch 116 is in releasing orientation.At this moment, first electromagnetic coil 119 is in excited state, and second electromagnetic coil 118 is in non-excited state.Under this state, as stated, first armature 167 frictionally engages with the first armature hub 153, has removed the engagement between connected member 170 and the engagement groove 169.In addition, first transmission shaft 110 rotates with the first rotor 112 integratedly, and the rotation torque of first transmission shaft 110 is transferred to the first rotor 112.Come from rotation torque that electric motor 103 puts on the first rotor 112 and put on small gear 143 via first gear 120, second gear 142 and second transmission shaft 141.In addition because engaging between rack tooth 132 and the small gear 143, gear shift shift selection shaft 101 according to the rotation of small gear 143 in axial direction Y2 move.Thereby the rotation torque 103 of electric motor is converted into along the motoricity of the Y2 in axial direction of gear shift shift selection shaft 101.
As stated, according to this mode of execution, in the coupled condition of second rotor 111 and first transmission shaft 110, the first rotor 112 is connected to housing 107.In the coupled condition of the first rotor 112 and housing 107, the first rotor 112 can not rotate.Therefore, when having reverse input the first rotor 112 that unclamps from first transmission shaft 110, can prevent the motion in axial direction of gear shift shift selection shaft 101.
In addition, carry out with first electromagnetic coil 119 that is connected/unclamps use first clutch 117 of housing 107 about the first rotor 112.Therefore, there is no need to be provided for carrying out the magnetic loop of the special use of the connection of the first rotor 112 to housing 107/unclamp, thereby, can aspect reducing cost, improve to some extent.
In addition, connected member 170 is arranged to move integratedly with first armature 167.Therefore, there is no need to be provided for individually first armature is connected to the member of housing 107, and can further improve aspect the cost reduction.
In addition; Shown in the dotted line among Fig. 6; When being installed in electric actuator 102 on the vehicle; If gear shift shift selection shaft 101 (vertical direction or near the direction of vertical direction) along the vertical direction extends, the downward force (downward direction power) that is then caused by the deadweight of gear shift shift selection shaft 101 acts on the gear shift shift selection shaft, acts on the first rotor 112 via small gear 143, second transmission shaft 141 and first gear 120 and second gear 142 based on the rotating force of the deadweight of gear shift shift selection shaft 101.When first transmission shaft 110 and first roller 112 were connected to each other, gear shift shift selection shaft 101 can not reduce (motion in axial direction) owing to deadweight.Yet, when first transmission shaft 110 is in releasing orientation with the first rotor 112, rotating force and rotation that the first rotor 112 receives based on the deadweight of gear shift shift selection shaft 101, there is the worry to allowing gear shift shift selection shaft 101 to reduce in the result.
On the other hand, in this mode of execution, when second rotor 111 was connected to first transmission shaft 110, the first rotor 112 was connected to housing 107.Thereby the first rotor 112 does not rotate.Thereby, in the releasing orientation of first transmission shaft 110 and second rotor 111, can prevent the reduction of gear shift shift selection shaft 101 reliably.
As stated, two mode of executions of the present invention have been described.Yet, can carry out other mode of executions of the present invention.
For example, in second mode of execution, described as an example the situation of engagement groove 169 as coupling recess.Yet, can adopt conjugate foramen (penetrating the through hole of plate spring part 165) as coupling recess.In addition, described as an example and adopt connected member 170 as first joining portion and adopt the structure of coupling recess as the case side joining portion.Yet, can use and adopt coupling recess as first joining portion and adopt the structure of connected member 170 as the case side joining portion.
In the first embodiment, attachment ring 58 and 73 be not housing 5 a part and can be externally attached and be fixed to housing 5.In addition, in second mode of execution, joint plate 171 is externally not attached and be fixed to housing 107 and can be configured to the part of housing 107.
In addition, in second mode of execution, the shape of joint plate 171 is not limited to the annular slab shape.In addition, can make up and construct a plurality of plates that wherein are formed with engagement groove 169 respectively.
In addition, in the first embodiment, rotor 31 and 32 with housing 5 between coupled condition can realize through the engagement (engagement) identical with second mode of execution.
In addition, in second mode of execution, the first rotor 112 can be through the frictional engagement realization identical with first mode of execution with the coupled condition between the housing 107.
In addition, in second mode of execution, described connection as an example and be used for the first rotor 112 of the shift selection shaft of motion gear shift in axial direction 101 (carrying out the operation of choosing shelves) and the structure of housing 107.Yet, replacing this structure, can adopt to connect to be used to rotate second rotor 111 of gear shift shift selection shaft 101 (execution gear-change operation) and the structure of housing 107.In addition, the structure that connects the structure of the first rotor 112 and housing 107 and be connected second rotor 111 and housing 107 all can adopt.
In addition, can use various design developments in the context of in claim, describing.
According to the present invention; In the speed changer drive unit; Can prevent in gear-change operation member or choosing shelves control member, to exist under the situation of reverse input the displacement of gear-change operation member or choosing shelves control member through the rotation of the rotating member that suppresses to unclamp from input shaft.
Reference numerals list
1: the speed changer drive unit
5: housing
8: shift shaft (gear-change operation member)
12: shift selection shaft (choosing shelves control member)
9: electric motor
30: input shaft
31: the first rotor (first rotating member)
32: the second rotors (second rotating member)
33: clutch mechanism
34: first clutch
35: second clutch
36: the first electromagnetic coils
37: the second electromagnetic coils
55: the first magnetic circles
56: fourth face layer (first joining portion and friction part)
60: the five surface layers (case side joining portion)
70: the second magnetic circles
71: the seven surface layers
75: the octahedral layers (case side joining portion)
100: the speed changer drive unit
101: gear shift shift selection shaft (gear-change operation member and choosing shelves control member)
103: electric motor
107: housing
110: the first transmission shafts (input shaft)
111: the second rotors (second rotating member)
112: the first rotor (first rotating member)
113: clutch mechanism
116: second clutch
117: first clutch
119: the first electromagnetic coils
167: the first armatures
169: engagement groove (case side joining portion)
170: connected member
171: attachment ring (fixed component)
Claims (6)
1. speed changer drive unit comprises:
Housing;
The gear-change operation member, said gear-change operation member is configured to carry out gear-change operation;
Choosing shelves control member, said choosing shelves control member are configured to carry out the operation of choosing shelves;
Input shaft, the rotation torque of electric motor inputs to said input shaft;
First rotating member, said first rotating member are configured to said rotation torque is transferred in said gear-change operation member and the said choosing shelves control member;
Second rotating member, said second rotating member are configured to said rotation torque is transferred in said gear-change operation member and the said choosing shelves control member another;
Clutch mechanism, said clutch mechanism comprises: first clutch, said first clutch are configured to said first rotating member is connected to said input shaft and said first clutch is configured to said first rotating member is unclamped from said input shaft; And second clutch; Said second clutch is configured to said second rotating member is connected to said input shaft and said second clutch is configured to said second rotating member is unclamped from said input shaft, and said clutch mechanism is configured to the rotation torque of said input shaft is optionally transferred to said first rotating member or said second rotating member;
Case side joining portion, said case side joining portion are arranged on the said housing or said case side joining portion is arranged on the fixed component, and said fixed component is arranged to be fixed to said housing; And
First joining portion, said first joining portion integratedly and can be rotatably set in said first rotating member, and said first joining portion can engage with said case side joining portion, wherein,
Said first clutch is constructed by magnetic clutch, and said magnetic clutch comprises first electromagnetic coil, and
In the non-excited state of said first electromagnetic coil in said first clutch; Said first joining portion is attracted to the first electromagnetic coil side and said first joining portion engages with said case side joining portion; And; In the excited state of said first electromagnetic coil, engaging between said first joining portion and the said case side joining portion is disengaged.
2. speed changer drive unit according to claim 1; Also comprise the magnetic circle; Said magnetic circle can rotate with said first rotating member integratedly, and said magnetic circle is arranged between said first electromagnetic coil and said case side joining portion motion in axial direction, wherein
Be arranged to move integratedly with said magnetic circle in first joining portion.
3. speed changer drive unit according to claim 1, wherein.
First clutch also comprises armature, said armature be arranged to and said first electromagnetic coil and said case side joining portion between first rotating member rotate integratedly,
In the excited state of said first electromagnetic coil, said armature is attracted to the said first electromagnetic coil side, and said armature engages with said input shaft; Thereby said first rotating member and said input shaft are connected to each other; And in the non-excited state of said first electromagnetic coil, engaging between said armature and said first rotating member is disengaged; Thereby said first rotating member is unclamped from said input shaft, and
Be arranged to move integratedly with said armature in said first joining portion.
4. according to each described speed changer drive unit in the claim 1 to 3, wherein,
Said first joining portion comprises friction part, and said friction part frictionally engages with said case side joining portion.
5. according to each described speed changer drive unit in the claim 1 to 3, wherein,
Said first joining portion comprises connected member or the coupling recess with said case side joining portion engagement.
6. according to each described speed changer drive unit in the claim 1 to 5, also comprise second joining portion, said second joining portion can engage with said case side joining portion, wherein,
Said second clutch is constructed by the magnetic clutch that comprises second electromagnetic coil,
In the non-excited state of said second electromagnetic coil in said second clutch; Said second joining portion is attracted to the second electromagnetic coil side and said second joining portion engages with said case side joining portion; And; In the excited state of said second electromagnetic coil, engaging between said second joining portion and the said case side joining portion is disengaged.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010067990A JP5440861B2 (en) | 2010-03-24 | 2010-03-24 | Transmission drive unit |
| JP2010-067990 | 2010-03-24 | ||
| PCT/JP2011/056736 WO2011118553A1 (en) | 2010-03-24 | 2011-03-22 | Transmission driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102822571A true CN102822571A (en) | 2012-12-12 |
| CN102822571B CN102822571B (en) | 2015-04-01 |
Family
ID=44673105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180015594.8A Expired - Fee Related CN102822571B (en) | 2010-03-24 | 2011-03-22 | Transmission driving device |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9046173B2 (en) |
| EP (1) | EP2551556A1 (en) |
| JP (1) | JP5440861B2 (en) |
| CN (1) | CN102822571B (en) |
| WO (1) | WO2011118553A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6224517B2 (en) * | 2014-05-09 | 2017-11-01 | 京浜精密工業株式会社 | Shifting operation mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5219391A (en) * | 1991-12-06 | 1993-06-15 | Eaton Corporation | Transmission shifter having automatic adjustment of control parameters |
| US5689997A (en) * | 1995-07-24 | 1997-11-25 | Ford Global Technologies, Inc. | Electric gearshift mechanism for change-speed gearboxes of motor vehicles |
| CN1180145A (en) * | 1996-05-23 | 1998-04-29 | 易通公司 | Transmission shifting mechanism with ball ramp actuator |
| JP2003074697A (en) * | 2001-08-30 | 2003-03-12 | Isuzu Motors Ltd | Shift operation device |
| WO2005057051A1 (en) * | 2003-12-11 | 2005-06-23 | Hitachi, Ltd. | Electric actuator and control device thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6330637A (en) | 1986-07-24 | 1988-02-09 | Fujitsu Ltd | Driving gear for transmission |
| DE19635866C2 (en) | 1996-09-04 | 1998-07-23 | Daimler Benz Ag | Switching device for a gear change transmission |
| US6334371B1 (en) | 1997-08-27 | 2002-01-01 | Daimlerchrysler Ag | Control device for a variable speed gear |
| US6182522B1 (en) * | 1999-01-15 | 2001-02-06 | Santo Romano Tartivita | Transmission for automotive vehicles or machinery |
| US6230577B1 (en) * | 1999-01-20 | 2001-05-15 | Borgwarner Inc. | Electric shift control assembly |
| EP1538370A3 (en) * | 2003-12-05 | 2011-11-30 | Honda Motor Co., Ltd. | Transmission control system |
| JP3958740B2 (en) * | 2003-12-17 | 2007-08-15 | 本田技研工業株式会社 | Transmission control device |
| DE102005040633A1 (en) * | 2005-08-27 | 2007-03-29 | Deere & Company, Moline | Transmission shift point for establishing a rotationally fixed connection between a gear and a shaft |
| JP5440862B2 (en) | 2009-09-01 | 2014-03-12 | 株式会社ジェイテクト | Transmission |
| JP5472729B2 (en) * | 2010-02-24 | 2014-04-16 | 株式会社ジェイテクト | Transmission |
-
2010
- 2010-03-24 JP JP2010067990A patent/JP5440861B2/en not_active Expired - Fee Related
-
2011
- 2011-03-22 US US13/636,876 patent/US9046173B2/en not_active Expired - Fee Related
- 2011-03-22 WO PCT/JP2011/056736 patent/WO2011118553A1/en active Application Filing
- 2011-03-22 CN CN201180015594.8A patent/CN102822571B/en not_active Expired - Fee Related
- 2011-03-22 EP EP11759358A patent/EP2551556A1/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5219391A (en) * | 1991-12-06 | 1993-06-15 | Eaton Corporation | Transmission shifter having automatic adjustment of control parameters |
| US5689997A (en) * | 1995-07-24 | 1997-11-25 | Ford Global Technologies, Inc. | Electric gearshift mechanism for change-speed gearboxes of motor vehicles |
| CN1180145A (en) * | 1996-05-23 | 1998-04-29 | 易通公司 | Transmission shifting mechanism with ball ramp actuator |
| JP2003074697A (en) * | 2001-08-30 | 2003-03-12 | Isuzu Motors Ltd | Shift operation device |
| WO2005057051A1 (en) * | 2003-12-11 | 2005-06-23 | Hitachi, Ltd. | Electric actuator and control device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011202683A (en) | 2011-10-13 |
| CN102822571B (en) | 2015-04-01 |
| JP5440861B2 (en) | 2014-03-12 |
| US9046173B2 (en) | 2015-06-02 |
| US20130008279A1 (en) | 2013-01-10 |
| EP2551556A1 (en) | 2013-01-30 |
| WO2011118553A1 (en) | 2011-09-29 |
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